Sounds like damage meter rules. Commonly accepted. Don't ask. Don't tell!

You can always pull a grocery store and give out free samples while inciting potential customers to ask for more than a taste.

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I also find social media communities on Discord and Facebook to be a good place to advertise stuff. There's lots of server-specific groups you can join and hawk your wares, or inquire about services. I used to know someone who did art for fantasias all the time.